CN102678076A - Double-lock single elastic clip in-place locking core-taking suspension positioning mechanism - Google Patents
Double-lock single elastic clip in-place locking core-taking suspension positioning mechanism Download PDFInfo
- Publication number
- CN102678076A CN102678076A CN2012101427043A CN201210142704A CN102678076A CN 102678076 A CN102678076 A CN 102678076A CN 2012101427043 A CN2012101427043 A CN 2012101427043A CN 201210142704 A CN201210142704 A CN 201210142704A CN 102678076 A CN102678076 A CN 102678076A
- Authority
- CN
- China
- Prior art keywords
- locking
- pin
- bullet
- elastic clip
- transmission shaft
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Landscapes
- Earth Drilling (AREA)
Abstract
The invention relates to a double-lock single elastic clip in-place locking core-taking suspension positioning mechanism. The double-lock single elastic clip in-place locking core-taking suspension positioning mechanism is characterized in that an upper locking device and a lower locking device are arranged in the mechanism, a locking resilient pin in the upper locking device is fixed on a force transferring shaft, a locking pin sleeve is sleeved on the locking resilient pin and is respectively arranged at the inner sides of two elastic clips; two wing plates of a recovery blocking clip are arranged in blocking grooves of an elastic clip seat; touch pins in the lower locking device are arranged in pin holes of a locking sleeve and a water distribution joint; locking bolt pins are arranged in a pin hole which is transversely arranged in a feedback rod; a reset locking spring is placed between the two locking bolt pins; the touch pins are arranged in a stepped hole; a large hole of the stepped hole is formed in the locking sleeve, and a small hole of the stepped hole is formed in the water distribution joint; the locking sleeve and the water distribution joint, on which stepped holes are formed, are fixedly connected to the elastic clip seat; a suspension ring is sleeved at the lower end of the elastic clip seat; and a screw thread which is arranged at the lower end of the elastic clip seat is connected with the water distribution joint and is used for fixing the suspension ring. The double-lock single elastic clip in-place locking core-taking suspension positioning mechanism has the functions of in-place elastic clip expansion and locking; and when the double-lock single elastic clip in-place locking core-taking suspension positioning mechanism is used, the elastic clip is at a furling state and is in non-contact with a drill stem and free of abrasion; and the elastic clip expands and is ejected when being put in place and is locked by using the locking pin sleeve.
Description
Technical field
The present invention relates to a kind of twin-lock list bullet and snap into position locking wire line coring suspension positioning mechanism, be used for the exploration engineering field of Geological Engineering, petroleum works.
Background technology
In the exploration engineering field, along with looking for the ore deposit to extend to the deep, the diamond drilling of using wire line coring popularizing progressively, this has brought new opportunity to develop for the wire line coring technology, but the while also has higher requirement to the wire line coring technology.How to reduce the consumable accessory quantity of wire line coring facility, increase the application life of wire line coring facility, the reliability that improves its work with adapt to deep hole, the superdeep holes exploration is crept into, be to be badly in need of the technical problem that solves at present.
The general bullet card wire line coring suspension location structures that adopt recovery tube form of structure of the wire line coring facility that use at present more; The facility of this form have reduced the functional reliability and the application life of wire line coring inner tube assembly owing to used more stressed resilient key.
In the wire line coring diamond drilling of deep hole; The wear problem of bullet card is also very outstanding; When the bullet in the present wire line coring suspension both domestic and external location is stuck in the input of rope inner tube assembly, be the inner surface slide down that is against drilling rod by the elastic force of tension spring, bullet card serious wear.The expansionary force of bullet card comes from tension spring elastic force, is the reliability that the suspension that improves suspension positioning mechanism is located, and often need improve the rigidity of tension spring, but improve spring rate, just means the wearing and tearing of quickening the bullet card, and technical contradiction is outstanding.
Functional reliability when putting the suspension location in place in order to increase the inner tube assembly input of wire line coring mechanism, some wire line coring inner tube assemblies often are provided with self-locking device in playing card structure.After the bullet card opens, do not drag for spearhead,, all keep open configuration no matter what disturbance the bullet card receives so long as do not spur.But these wire line coring mechanism inner tube assemblies with locking device are in that the probing of reality is on-the-spot when using, and usually because the self-locking factor causes throwing in unfavorable, have increased subsidiary operation time.
Summary of the invention
The object of the present invention is to provide a kind of twin-lock list bullet to snap into the wire line coring suspension positioning mechanism of position locking, it has solved the problem that exists in the wire line coring facility in the above-mentioned production effectively, has the expansion of the bullet of putting in place card, plays the card lock function; It is when throwing in, and the bullet card keeps rounding state and drilling rod is contactless, do not have wearing and tearing, and expansion was ejected when the input of bullet card put in place, and by the stop pin cover locking.
Technical scheme of the present invention is achieved in that twin-lock list bullet snaps into the wire line coring suspension positioning mechanism of position locking, by dragging for spearhead, drags for the spearhead spring, fixture block, resilient key, force transmission shaft; Return spring, adjusting pad plays deck, locking elastic pin, locking guide, bullet card; Bullet card resilient key reclaims block card, feedback rod, hanging ring, anti-rotation resilient key; Locking bushing bumps pin, the locking latching, and locking spring, return connector constitutes; It is hinged through resilient key to drag for spearhead and force transmission shaft, drags for and arranges in the spearhead that one drags for spearhead spring and fixture block, and force transmission shaft is installed in the endoporus that plays deck, and can move up and down, and plays between deck and the force transmission shaft and is provided with return spring; Lift and drag for spearhead, force transmission shaft just moves up and compression retracteding position spring, and adjusting pad can be adjusted the rounding state of spring force and bullet card; It is characterized in that: locking elastic pin, locking guide are installed on the middle part of force transmission shaft and reclaim block card, the lower end links to each other with feedback rod; The bullet card is arranged in the draw-in groove that plays deck, and is articulated and connected through bullet card resilient key with the bullet deck; Be provided with two cover locking devices up and down in the mechanism, locking device is by the locking elastic pin, and the locking guide reaches the bullet card and constitutes, and wherein the locking elastic pin is fixed on the force transmission shaft, and the stop pin cover is enclosed within on the locking elastic pin, and the two bullet cards that are arranged in are inboard; Reclaim that block card is enclosed within on the force transmission shaft and by the upper surface restriction of feedback rod and be fixed on the force transmission shaft, two fins that reclaim block card are arranged in the draw-in groove that plays deck, are positioned at the downside of bullet card; Following locking device bumps pin by locking bushing, the locking latching, and the locking spring constitutes; Wherein bump in the pin-and-hole that pin is installed in locking bushing, return connector; The locking latching is installed in the pin-and-hole of lateral arrangement in the feedback rod; Place the locking spring that resets in the middle of the two locking latchings, bump pin and be installed in the shoulder hole, the macropore of shoulder hole is opened on locking bushing; Aperture is opened on return connector; The locking bushing and the return connector that are furnished with shoulder hole are fixedly connected on the bullet deck, and hanging ring is enclosed within the lower end that plays deck, and bullet deck lower end has screw thread to be connected with return connector and hanging ring is fixed.
The part of the top fluting of described feedback rod is connected with the lower flange of force transmission shaft.
Described small end part of bumping pin is stretched out about return connector external surface 1.5-3mm in input and salvaging process; After input puts in place, to bump pin and contact with the seat ring collision of outer tube, after the withdrawal, it acts on the locking latching, and the locking latching overcomes spring force to be drawn back from lock hole, the release of following lock, the bullet card opens.
Pin bore axis line overlap in described shoulder hole and the feedback rod, the locking latching enters into 1.5-3mm in the shoulder hole under the effect of back-moving spring, bump pin and just also stretch out 1.5-3mm in the hole by return connector, and feedback rod is locked the latching locking.
Described feedback rod middle part also has one section dead slot except that having one to install the pin-and-hole of locking latching, cooperates an anti-rotation resilient key in this dead slot, and the two ends of anti-rotation resilient key are fixed on the locking bushing.
Good effect of the present invention is to adopt the form that reclaims block card to draw the bullet card in; Reduced the quantity of stressed resilient key; Cancelled the consumable accessory tension spring, solved the wear problem of bullet card, the wire line coring suspension positioning mechanism that has overcome the conventional belt locking function is thrown in disadvantageous problem; The bullet card is thrown in the posttension that puts in place and is started work rapidly and strong, and the bullet card is locked the device locking after opening, and the working life of wire line coring suspension positioning mechanism and reliability improve greatly, and the wire line coring that helps deep hole is explored.
Description of drawings
Fig. 1 is the structure cut-away view of suspension lock-out state of the present invention.
Structural representation when Fig. 2 is input of the present invention and salvaging.
Fig. 3 is an axis of no-feathering mapping of the present invention.
The specific embodiment
Below in conjunction with accompanying drawing the present invention is done further description: like Fig. 1,2, shown in 3, twin-lock list bullet snaps into the wire line coring suspension positioning mechanism of position locking, by dragging for spearhead 1, drags for spearhead spring 2, fixture block 3; Resilient key 4, force transmission shaft 5, return spring 6, adjusting pad 7 plays deck 8; Locking elastic pin 9, locking guide 10, bullet card 11, bullet card resilient key 12 reclaims block card 13; Feedback rod 14, hanging ring 15, anti-rotation resilient key 16, locking bushing 17; Bump pin 18, locking latching 19, locking spring 20, return connector 21 constitutes; It is hinged through resilient key 4 with force transmission shaft 5 to drag for spearhead 1, drags for and arranges in the spearhead 1 that one drags for spearhead spring 2 and fixture block 3, and force transmission shaft 5 is installed in the endoporus that plays deck 8, and can move up and down, and plays between deck 8 and the force transmission shaft 5 and is provided with return spring 6; Lift and drag for spearhead 1, force transmission shaft 5 just moves up and compression retracteding position spring 6, and adjusting pad 7 can be adjusted the rounding state of spring force and bullet card 11; It is characterized in that: locking elastic pin 9, locking guide 10 are installed on the middle part of force transmission shaft 5 and reclaim block card 13, the lower end links to each other with feedback rod 14; Bullet card 11 is arranged in the draw-in groove that plays deck 8, and is articulated and connected through bullet card resilient key 12 with bullet deck 8; Be provided with two cover locking devices up and down in the mechanism, locking device is by locking elastic pin 9, and locking guide 10 reaches bullet card 11 and constitutes, and wherein locking elastic pin 9 is fixedly mounted on the force transmission shaft 5, and locking guide 10 is enclosed within on the locking elastic pin 9, is arranged in two bullet cards, 11 inboards; Reclaim that block card 13 is enclosed within on the force transmission shaft 5 and by the upper surface restriction of feedback rod 14 and be fixed on the force transmission shaft 5, two fins that reclaim block card 13 are arranged in the draw-in groove that plays deck 8, are positioned at the downside of bullet card 11; Bullet card 11 also is arranged in the bullet draw-in groove that plays deck 8, and is articulated and connected through bullet card resilient key 12 with bullet deck 8; Following locking device bumps pin 18 by locking bushing 17, locking latching 19, and locking spring 20 constitutes; Wherein bump in the pin-and-hole that pin 18 is installed in locking bushing 17, return connector 21; Locking latching 19 is installed in the pin-and-hole of lateral arrangement in the feedback rod 14; Place the locking spring 20 that resets in the middle of the two locking latchings 19, bump pin 18 and be installed in the shoulder hole, the macropore of shoulder hole is opened on locking bushing 17; Aperture is opened on return connector 21; The locking bushing 17 that is furnished with shoulder hole is fixedly connected on return connector 21 and plays on the deck 8, and hanging ring 15 is enclosed within the lower end that plays deck, and bullet deck 8 lower ends have screw thread to be connected with return connector 21 and hanging ring 15 is fixing.
The part of the top fluting of described feedback rod 14 is connected with the lower flange of force transmission shaft 5.
Described small end part of bumping pin 18 is stretched out about return connector 21 external surface 1.5-3mm in input and salvaging process; After input puts in place, to bump pin 18 and contact with the seat ring collision of outer tube, after the withdrawal, it acts on the locking latching 21, and locking latching 21 overcomes spring force to be drawn back from lock hole, the release of following lock, bullet card 11 opens;
Pin bore axis line overlap in described shoulder hole and the feedback rod 14, locking latching 19 enters into 1.5-3mm in the shoulder hole under the effect of back-moving spring 20, bump pin 18 and just also stretch out 1.5-3mm in the hole by return connector 21, and feedback rod 14 is locked latching 19 lockings,
Described feedback rod 14 middle parts also have one section dead slot except that having one to install the pin-and-hole of locking latching 19, cooperate an anti-rotation resilient key 16 in this dead slot, and the two ends of anti-rotation resilient key 16 are fixed on the locking bushing 17.
During the work of wire line coring suspension positioning mechanism, before input, lift and drag for spearhead 1, draw bullet card 11 in and lock onto the curling position.When lifting when dragging for spearhead 1; Reclaiming block card 13 just can be with dragging for together a move up segment distance and being against on the inclined-plane in bullet card 11 outsides of spearhead 1; Draw in bullet card 11 stressed backs, in the process of drawing in, is compressed accumulation of energy at the return spring 6 that plays between deck 8 and the force transmission shaft 5; Simultaneously; Be fixed on the force transmission shaft 5 and be wedged into the inboard locking guide 10 of two bullet cards 11 along with drag for spearhead 1 on move and also move from bullet card 11 inboards and to withdraw from, the locking latching 19 that is arranged in the following locking device of bottom enters into pin-and-hole, has locked the rounding state of bullet card 11.
Because being furnished with the locking bushing 17 of shoulder hole is to be fixedly connected on through screw thread to play on the deck 8 with return connector 21; No matter how drag for spearhead 1 spurs; Their position is relatively-stationary, and when the pin bore axis line overlap in shoulder hole and the feedback rod 14, locking latching 19 enters into 1.5-3mm in the shoulder hole under the effect of back-moving spring 20; Bump pin 18 and just also stretch out 1.5-3mm in the hole by return connector 21; Feedback rod 14 is locked latching 19 locking, the part of the top fluting of feedback rod 14 is connected with the lower flange of force transmission shaft 5, and this connection has only retrained and limited vertically relation between the two; So feedback rod 14 lockings will will be fixed on recovery block card 13 lockings of force transmission shaft 5 through force transmission shaft 5, thereby locked the rounding state of bullet card 11.Owing to the gathering of bullet card 11, make that input is smooth and easy, no bullet card wear problem during input; After input put in place, 15 of hanging rings were on the seat ring of outer tube, and that stretches out on the return connector 21 simultaneously bumps pin 18; Pushed back by seat ring, bump pin 18 promotion locking latchings 19 and overcome spring force, in the shoulder hole of locking bushing 17, regain; Feedback rod 14 releases; Under the effect of return spring 6, drag for spearhead 1, force transmission shaft 5, feedback rod 14 and move down synchronously, and the inclined-plane through side contacts in locking guide 10 and the bullet card 11 drives bullet card 11 and opens to both sides together with reclaiming block card 13; Block card 13 is reclaimed along with moving down in the outside below the bullet card 11, has also got out of the way the space of bullet card 11 expansions.After bullet card 11 opened fully, it is indoor that bullet card 11 outsides are against the bullet card of outer tube, and locking guide 10 gets into the inboard of two bullet cards 11, locked the open configuration of bullet card 11.
When input puts in place, because hanging ring 15 contacts the ring-shape mud carrier frequency channel break between inner tube assembly and outer tube with seat ring; It also is the passage of mud flow with the workplace of reclaiming block card 13 both wings that the draw-in groove of bullet deck 8 is not only bullet card 11; Like diagram, mud enters into feedback rod 14 by draw-in groove and plays in the annulus of deck 8, through locking bushing 17 both sides groovings; Enter into return connector 21, enter into the ring-shape mud passage between inner tube assembly and outer tube again by return connector 21 again.
During salvaging; Carry and drag for spearhead 1, drive force transmission shaft 5 together with, locking guide 10, reclaim shelves card 13, move with respect to playing deck 8 section that moves up; Locking guide 10 withdraws from from bullet card 11 inboards, the release of locking, and bullet card 11 draws in; Withdraw from from the bullet card is indoor, continue to lift just can lift whole inner tube assemblies until the face of land.
Claims (5)
1. twin-lock list bullet snaps into the wire line coring suspension positioning mechanism of position locking, by dragging for spearhead, drags for the spearhead spring, fixture block, resilient key, force transmission shaft; Return spring, adjusting pad plays deck, locking elastic pin, locking guide, bullet card; Bullet card resilient key reclaims block card, feedback rod, hanging ring, anti-rotation resilient key; Locking bushing bumps pin, the locking latching, and locking spring, return connector constitutes; It is hinged through resilient key to drag for spearhead and force transmission shaft, drags for and arranges in the spearhead that one drags for spearhead spring and fixture block, and force transmission shaft is installed in the endoporus that plays deck, and can move up and down, and plays between deck and the force transmission shaft and is provided with return spring; Lift and drag for spearhead, force transmission shaft just moves up and compression retracteding position spring, and adjusting pad can be adjusted the rounding state of spring force and bullet card; It is characterized in that: locking elastic pin, locking guide are installed on the middle part of force transmission shaft and reclaim block card, the lower end links to each other with feedback rod; The bullet card is arranged in the draw-in groove that plays deck, and is articulated and connected through bullet card resilient key with the bullet deck; Be provided with two cover locking devices up and down in the mechanism, locking device is by the locking elastic pin, and the locking guide reaches the bullet card and constitutes, and wherein the locking elastic pin is fixed on the force transmission shaft, and the stop pin cover is enclosed within on the locking elastic pin, and the two bullet cards that are arranged in are inboard; Reclaim that block card is enclosed within on the force transmission shaft and by the upper surface restriction of feedback rod and be fixed on the force transmission shaft, two fins that reclaim block card are arranged in the draw-in groove that plays deck, are positioned at the downside of bullet card; Following locking device bumps pin by locking bushing, the locking latching, and the locking spring constitutes; Wherein bump in the pin-and-hole that pin is installed in locking bushing, return connector; The locking latching is installed in the pin-and-hole of lateral arrangement in the feedback rod; Place the locking spring that resets in the middle of the two locking latchings, bump pin and be installed in the shoulder hole, the macropore of shoulder hole is opened on locking bushing; Aperture is opened on return connector; The locking bushing and the return connector that are furnished with shoulder hole are fixedly connected on the bullet deck, and hanging ring is enclosed within the lower end that plays deck, and bullet deck lower end has screw thread to be connected with return connector and hanging ring is fixed.
2. snap into the wire line coring suspension positioning mechanism of position locking according to the twin-lock list bullet described in the claim 1, it is characterized in that the part of the top fluting of described feedback rod is connected with the lower flange of force transmission shaft.
3. snap into the wire line coring suspension positioning mechanism of position locking according to the twin-lock list bullet described in the claim 1, it is characterized in that the described small end that bumps pin partly stretches out about return connector external surface 1.5-3mm in input and salvaging process; After input puts in place, to bump pin and contact with the seat ring collision of outer tube, after the withdrawal, it acts on the locking latching, and the locking latching overcomes spring force to be drawn back from lock hole, the release of following lock, the bullet card opens.
4. snap into the wire line coring suspension positioning mechanism of position locking according to the twin-lock list bullet described in the claim 1; It is characterized in that the pin bore axis line overlap in described shoulder hole and the feedback rod; The locking latching enters into 1.5-3mm in the shoulder hole under the effect of back-moving spring; Bump pin and just also stretch out 1.5-3mm in the hole by return connector, feedback rod is locked the latching locking.
5. snap into the wire line coring suspension positioning mechanism of position locking according to the twin-lock list bullet described in the claim 1; It is characterized in that described feedback rod middle part except that having one to install the pin-and-hole of locking latching; Also has one section dead slot; Cooperate an anti-rotation resilient key in this dead slot, the two ends of anti-rotation resilient key are fixed on the locking bushing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210142704.3A CN102678076B (en) | 2012-05-10 | 2012-05-10 | What twin-lock list bullet snapped into position locking gets core suspension positioning mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210142704.3A CN102678076B (en) | 2012-05-10 | 2012-05-10 | What twin-lock list bullet snapped into position locking gets core suspension positioning mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102678076A true CN102678076A (en) | 2012-09-19 |
| CN102678076B CN102678076B (en) | 2016-03-30 |
Family
ID=46810582
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210142704.3A Expired - Fee Related CN102678076B (en) | 2012-05-10 | 2012-05-10 | What twin-lock list bullet snapped into position locking gets core suspension positioning mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102678076B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103291236A (en) * | 2013-05-29 | 2013-09-11 | 吉林大学 | Clamp-block percussion power transmission mechanism for wire-line coring and percussive rotary drilling |
| CN105089530A (en) * | 2015-08-12 | 2015-11-25 | 新疆华隆油田科技股份有限公司 | Flowback preventing control valve device capable of washing well |
| CN113236166A (en) * | 2021-05-24 | 2021-08-10 | 四川大学 | Lockable and unlockable elastic card structure, coring device and using method of lockable and unlockable elastic card structure |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN86106661A (en) * | 1986-10-07 | 1988-05-18 | 北京市地质机械厂 | The functional entity of core plugging notifying mechanism of rope core drilling |
| CN2359450Y (en) * | 1998-10-08 | 2000-01-19 | 华北石油管理局第二钻井工程公司 | Rope-type safety coring tool |
| CN2617915Y (en) * | 2003-04-22 | 2004-05-26 | 中国地质科学院勘探技术研究所 | Preserved sampling drill |
| RU2362002C1 (en) * | 2007-12-27 | 2009-07-20 | Закрытое акционерное общество "Научно-производственное предприятие "СибБурМаш" | Core sampler |
| CN201372754Y (en) * | 2009-03-24 | 2009-12-30 | 武汉金地探矿机械有限公司 | Jet-type reverse rope coring drilling tool |
| CN202755933U (en) * | 2012-05-10 | 2013-02-27 | 吉林大学 | In-place locking coring suspension positioning mechanism with double locks and single elastic clamp |
-
2012
- 2012-05-10 CN CN201210142704.3A patent/CN102678076B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN86106661A (en) * | 1986-10-07 | 1988-05-18 | 北京市地质机械厂 | The functional entity of core plugging notifying mechanism of rope core drilling |
| CN2359450Y (en) * | 1998-10-08 | 2000-01-19 | 华北石油管理局第二钻井工程公司 | Rope-type safety coring tool |
| CN2617915Y (en) * | 2003-04-22 | 2004-05-26 | 中国地质科学院勘探技术研究所 | Preserved sampling drill |
| RU2362002C1 (en) * | 2007-12-27 | 2009-07-20 | Закрытое акционерное общество "Научно-производственное предприятие "СибБурМаш" | Core sampler |
| CN201372754Y (en) * | 2009-03-24 | 2009-12-30 | 武汉金地探矿机械有限公司 | Jet-type reverse rope coring drilling tool |
| CN202755933U (en) * | 2012-05-10 | 2013-02-27 | 吉林大学 | In-place locking coring suspension positioning mechanism with double locks and single elastic clamp |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103291236A (en) * | 2013-05-29 | 2013-09-11 | 吉林大学 | Clamp-block percussion power transmission mechanism for wire-line coring and percussive rotary drilling |
| CN103291236B (en) * | 2013-05-29 | 2016-01-06 | 吉林大学 | A kind of wire line coring rotary-percussive drilling blocking piece type impacts the mechanism that passes on Gong |
| CN105089530A (en) * | 2015-08-12 | 2015-11-25 | 新疆华隆油田科技股份有限公司 | Flowback preventing control valve device capable of washing well |
| CN105089530B (en) * | 2015-08-12 | 2017-11-14 | 新疆华隆油田科技股份有限公司 | Anti- return of washing well tells control valve gear |
| CN113236166A (en) * | 2021-05-24 | 2021-08-10 | 四川大学 | Lockable and unlockable elastic card structure, coring device and using method of lockable and unlockable elastic card structure |
| CN113236166B (en) * | 2021-05-24 | 2024-01-26 | 四川大学 | Locking and unlocking spring card structure, coring device and use method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102678076B (en) | 2016-03-30 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202755933U (en) | In-place locking coring suspension positioning mechanism with double locks and single elastic clamp | |
| CN102678076A (en) | Double-lock single elastic clip in-place locking core-taking suspension positioning mechanism | |
| CN107227939A (en) | It is a kind of to drag for lance assembly for core bit | |
| CN102808587B (en) | Double-elastic-clamp in-place locking wire line coring suspension positioning mechanism | |
| CN201109417Y (en) | Tread cleaner clearance adjusting device | |
| CN103711455B (en) | Deepwater wells can be fixed ball and produce sliding sleeve | |
| US2959227A (en) | Means for installing and pulling well tools | |
| CN208947581U (en) | Locking device and wing body connection structure | |
| CN204024516U (en) | A kind of centralizer of oil phospecting apparatus | |
| CN203669541U (en) | Unhooking prevention touch locking mechanism | |
| CN104314511A (en) | Compression type bottom sealing packer | |
| CN109162658B (en) | Injection well booster | |
| CN204900463U (en) | Oil drilling equipment and guide rail mechanism and guide rail connection structure thereof | |
| US2720924A (en) | Connecting devices for well tools | |
| CN211230334U (en) | Oil field is fishing device in pit | |
| CN205154068U (en) | Locking device is fixed a position to mechanical type for chuck | |
| CN202273660U (en) | Anti-receding and sand prevention underground throttle capable of being put in and pulled out | |
| CN109591485A (en) | A kind of sales counter pen for protecting pen core | |
| CN107059232B (en) | A kind of anti-skidding thread guide device | |
| CN205531895U (en) | Move a buffering from closing ware | |
| CN205775066U (en) | Jacquard machine component | |
| CN113236166B (en) | Locking and unlocking spring card structure, coring device and use method thereof | |
| CN103410433A (en) | Spring type mechanical buffering and floating device of drilling rig | |
| CN204075057U (en) | A kind of guiding device of chain assembly machine | |
| CN103938943B (en) | The latch of soft unlatching |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160330 Termination date: 20210510 |